Edison2@lemmy.world to Ask Lemmy@lemmy.world · 5 months agoWhat's the most unexpectedly useful item you've ever bought under $20?message-squaremessage-square293linkfedilinkarrow-up1222arrow-down14
arrow-up1218arrow-down1message-squareWhat's the most unexpectedly useful item you've ever bought under $20?Edison2@lemmy.world to Ask Lemmy@lemmy.world · 5 months agomessage-square293linkfedilink
minus-squareiknowitwheniseeit@lemmynsfw.comlinkfedilinkarrow-up6·5 months agoProbably you mean 85% of infrared, not 85 parts per thousand (or 8.5%) of ultraviolet?
Probably you mean 85% of infrared, not 85 parts per thousand (or 8.5%) of ultraviolet?